if you want to modify the config files on the filesystem then you need to get the root password. if anyone can crack the password here is the hash :
Username: root
PW Hash: $6$pvnavTv2$2W/s.veJLVbb1g9qJpFO7ATNNBiOtwt.MXABU6nRVgJwuiS3WlBrRMj0avAdnHL
Username: fa
PW Hash: $6$muvIxroU$Lcuu06mrLbEONRLK312njB.RTI4dbC9QdJAZ6Bam0RnJpibRO2K62XHBKRKRo3U1IDFTtTAdXb/h.vp8vXuio1
regards
hash for root not full specified.
Here is the correct:
root:$6$pvnavTv2$2W/s.veJLVbb1g9qJpFO7ATNNBiOtwt.MXABU6nRVgJwuiS3WlBrRMj0avAdnHLt4XSfDBTyt52n7ORs.1hpj.
Decryption Result: root:envision
Use with pleasure.

@Hitsxx
thanks for helping out with the Z1 root pass, it seems that on the Z1+ the root pw has been changed. can you please help us with the Z1+ root pw. here is the hash :
root:$6$Zdo.uFbT$CIOQM3dEZygWrEBH.6iIqQ6G4vbJlf4eKE3B4QRGZ.Ecii.XFDWhxnY.o/41w7V8fJSc14lU//Myd64tO3qne/:17802:0:99999:7:::
hope you can help.
thanks
bitreo